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Green Tea Standardized Review – 8 Facts You Need to Know

By Sasha de Beausset Aparicio, MSc

Reviewed by Rebecca Williams, MD, MA, MB, BChir

Last Updated:

Evidence Based | Summary | Ingredients | Claims | Cautions | Cost | How To Take | Verdict

Green Tea Standardized is an herbal remedy manufactured by Nature’s Way, a reputable name on the supplement’s market.

The company has been found in 1969 in Utah. During many years of study and tests, Nature’s Way products proved their efficiency. They contain quality ingredients taken from natural sources so that the final product to meet the client’s needs and expectations.

Green tea has been known to be as one of the ancient super foods. It has its origin in China, but it has also been related to many cultures from Asia. Today, it can be found on different forms on the market, such as tea bags, liquid tea concentrate, instant tea, capsules, tablets and many others.

The plant has a lot of benefits for our health. It may help in losing weight process by detoxifying the body, reducing blood fat and cholesterol. It boosts exercise endurance, reduces the risk of heart attack and fights against various types of cancer. It may prevent and treat neurological diseases. It also has hydration benefits similar to water. It keeps diabetes in check and offers protection from ultraviolet rays. Green Tea Standardized is an immune system booster, helping us to fight better against infections and to keep a good general health.


1) What is Green Tea Standardized?

Green Tea Standardized is an herbal formula that mainly contains tea extract, tea leaf and polyphenols. The bottle includes 30 capsules, each one having 250 mg leaves extract with 95 % Polyphenols and 200 mg leaf. The recommended dose is 1 capsule, once or twice a day, preferably with food. The manufacturer guarantees that 2 capsules are equivalent in the amount of EGCG with 3 cups of tea.

Polyphenols are chemicals found in plants that have strong health benefits.
There is some evidence regarding the efficiency of polyphenols in Green Tea to prevent diabetes, cancer, heart disease and high blood pressure. Some laboratory studies have been made and it has been shown that they may have possible cancer-fighting benefits, by slowing cancer cell proliferation. It also has some possible benefits to heart health, by minimizing the risk of related diseases, reducing inflammation and fat in the blood vessels and preventing blood clots. It has anti-inflammatory benefits, being helpful to prevent many diseases such as cancer, diabetes, heart attack, hardening of the arteries, arthritis and allergies. All these diseases are mainly caused by inflammation.

But all the research that has been made is not conclusive yet and it is advisable to have a healthy and balanced diet for keeping optimal health.


2) Details on Green Tea Standardized Ingredients and Uses

Green Tea Standardized contains the following ingredients: Green tea leaf extract, 95% polyphenols (75% catechins), green tea leaf and plant-derived capsule.

3) What Does Green Tea Standardized Do?

It contains certain types of amino acids, enzymes, polyphenols, vitamins, caffeine and carotenoids. It may have antitumor, antioxidant, anticancer, and anti-inflammatory properties. There have been many experiences on animals and in vitro. it has been demonstrated that the polyphenols have power to prevent cancer and cardiovascular diseases. But on these tests, the doses were significantly higher than the ones that people are using through the diet.

The University of Maryland Medical Center claims that the extract may prevent certain types of cancer such as: ovarian, bladder, colorectal, and breast cancer. It may also be efficient preventing other types like lung, esophageal, pancreatic, prostate, skin and stomach cancer. It may prevent atherosclerosis, high cholesterol, inflammatory bowel and liver diseases. Clinical studies showed that the extract boosts metabolism and accelerates fat burn. But further research needs to be done in order to confirm and prove all these claims.

The manufacturer advises the pregnant and breast-feeding women not to take this supplement, because it may harm the baby. It may interact with other drugs, so you should ask your healthcare specialist before starting any treatment. Side effects may range from mild to serious, depending on the subject, and may include: sleep problems, nausea, vomiting, diarrhea, irritability, nervousness, headache and dizziness, heartburn, ringing in the years, confusion and convulsion. It is imperative to consult your doctor if any of the above mentioned side effects occurs.

There are online testimonials about Green Tea Standardized. What it has been reported includes the following:

  • excellent for improving immune system’s functions

  • improves thinking and mental alertness

  • helps in losing weight processes, by increasing the metabolism rate of burning fats

  • lowers cholesterol and blood sugar levels

  • prevents common cold and flu


4) What Green Tea Standardized Does?

  • It is an immune system enhancer.
  • It has anti-inflammatory, antiviral, antibacterial and antioxidant properties.
  • The product contains safe tested ingredients with no additives taken from quality natural sources.
  • The manufacturer is a reputable name on the market.


5) What You Need to Know Before Taking Green Tea Standardized

  • It is not recommended during pregnancy or while breast-feeding.
  • The product might not be suitable for people with anxiety disorders, because it contains caffeine.
  • It may interact with other drugs.
  • If taken too late in the evening It can generate unwanted alertness.
  • There is no free trial offer on the company’s website.
  • There is no possibility of ordering the product from the manufacturer.


6) Green Tea Standardized Cost

One bottle of Green Tea Standardized contains 30 capsules. The manufacturer recommends the intake of one capsule once or twice daily during meals. According to these recommendations, the product is affordable. It can be bought by consumers all over the world from herbal stores and pharmacies. It is available also online at special prices and low shipping costs.

Nature’s Way does not provide free trials or the possibility of purchasing the product online from their website, but they are offering some directions regarding the stores where the product may be bought. There isn’t enough information about the product available on the producer’s website.

How To Take

7) How to Take Green Tea Standardized

Green Tea Standardized is not recommended during pregnancy or breast-feeding. Depending on the dosage, it may lead to nervousness, headache, diarrhea, sleep problems, tremor, heartburn, convulsion, dizziness and others.


8) Our Verdict on Green Tea Standardized

Green Tea Standardized is a natural formula containing thistea extract that has been studied, tested and used for years for its benefits.

It is an anti-inflammatory and antioxidant remedy that may help in reducing tumor activity, increasing fat burning and preventing many diseases caused by inflammation.
It also has antiviral and antibacterial properties due to its high content of tea catechins.
It may delay some diseases such as Alzheimer and Parkinson. It offers skin protection, reducing the damaged caused by the exposure to sun.

Green Tea Standardized is a good supplement for weight loss and for improving our immune system’s health.

4/5 - (1 vote)
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It has a reasonable price and a multitude of health benefits. It helps me with my digestion and gives me energy during the day. I use it instead of coffee.

Alex G.

I have started using Green Tea Standardized last year and by now I am very happy about the results. I have a balanced lifestyle with a healthy diet and a regular exercise program and it keeps me in shape and energized. More, I didn’t catch a cold for a year!